1326140016 has 20 divisors (see below), whose sum is σ = 3425861832. Its totient is φ = 442046656.

The previous prime is 1326139943. The next prime is 1326140027. The reversal of 1326140016 is 6100416231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13813911 + ... + 13814006.

Almost surely, 2^1326140016 is an apocalyptic number.

1326140016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1326140016 is an abundant number, since it is smaller than the sum of its proper divisors (2099721816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1326140016 is a wasteful number, since it uses less digits than its factorization.

1326140016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27627928 (or 27627922 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1326140016 is about 36416.2054036386. The cubic root of 1326140016 is about 1098.6595285837.

Adding to 1326140016 its reverse (6100416231), we get a palindrome (7426556247).

The spelling of 1326140016 in words is "one billion, three hundred twenty-six million, one hundred forty thousand, sixteen".